Why no two security contractors are ever the same 22 July 2026

In the UK, private security is a regulated, licensed, and compliance‑driven profession. Every legitimate provider must meet statutory standards set by the Security Industry Authority (SIA) for licensing, vetting, training, supervision, and conduct. These requirements apply equally across the sector – they are not optional, negotiable, or variable between companies.

Despite this, organisations are frequently told they can obtain “the same security for a lower price”. In reality, below‑cost security is not the same service delivered more cheaply. It is a different service altogether, achieved only by removing essential elements of lawful delivery. This creates operational risk, legal exposure, and reputational harm for the client.

The minimum cost of security

Every compliant provider must meet the same fixed costs:

• SIA licensing for frontline staff
• Statutory holiday pay
• Employer National Insurance contributions
• Pension contributions under auto‑enrolment
• Insurance: Public Liability, Employer’s Liability, Professional Indemnity
• SIA compliance: vetting, training, supervision, record keeping, audit

These costs do not change between contractors. If a provider charges below the cost of meeting these obligations, they must remove something essential – and what they remove is never “efficiency”.

What below‑cost providers remove

Contractors offering unrealistically low rates typically cut corners in areas that clients cannot see at the point of purchase:

• Unlicensed or improperly vetted staff
• Avoidance of National Insurance or pension contributions
• Operating without insurance
• Failure to conduct BS 7858 vetting
• Reduced supervision, training, and welfare

These omissions only become visible during incidents, investigations, claims, regulatory scrutiny, or litigation.

The legal position

We are increasingly seeing the SIA and the courts, expect buyers to understand the minimum lawful cost of security provision. Engaging a contractor at a below‑cost rate may expose the client organisation – and its leadership – to findings of:

• Negligent procurement
• Failure to ensure competency (vetting, training, licensing)
• Breach of statutory duties under the Health and Safety at Work Act
• Corporate negligence where harm results from inadequate or unlawful security
• Vicarious liability for incidents involving unlicensed, unvetted, or uninsured personnel

A low price does not reduce liability. It increases it. Cheap procurement is not a defence – it is evidence of failure.

The reality

Choosing a provider who cannot lawfully deliver the service at the accepted price is not a saving. It is a transfer of risk directly onto the client’s organisation, leadership, and reputation.

The price you accept determines the service you receive. If the price is unlawful, the service will be unlawful.